|Publication number||US6776626 B2|
|Application number||US 10/379,328|
|Publication date||Aug 17, 2004|
|Filing date||Mar 4, 2003|
|Priority date||Mar 6, 2002|
|Also published as||DE10310099A1, US20030181078|
|Publication number||10379328, 379328, US 6776626 B2, US 6776626B2, US-B2-6776626, US6776626 B2, US6776626B2|
|Inventors||San-Shan Huang, Chien-Feng Chen|
|Original Assignee||Molex Incorporated|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (8), Referenced by (74), Classifications (12), Legal Events (6)|
|External Links: USPTO, USPTO Assignment, Espacenet|
This invention generally relates to the art of electrical connectors and, particularly, to an electrical connector system for a mobile phone.
Mobile telephones have become extremely popular and are used by widespread populations throughout the world for communication purposes. FIG. 1 shows a typical mobile phone, generally designated 5, which includes a lower housing 6, an upper housing 7 and a printed circuit board 8 sandwiched therebetween. Typically, the printed circuit board is nested within lower housing 6. A plurality of electrical connectors are mounted on the printed circuit board, such as a SIM (Subscriber Identity Module) card connector 9, an I/O (input/output) connector 10, a battery connector 11, as well as other connectors associated with various functions of the mobile phone. The terminals or contacts of the connectors are permanently connected, as by soldering, to appropriate circuit traces on the printed circuit board. Most often, the circuit board is sufficiently large to accommodate adding other connectors to perform other functions, as required.
With the ever-increasing use of mobile phones as described above in relation to FIG. 1, more and more functions are being added to the phones. In addition, mobile phones are becoming lighter, thinner, shorter and smaller in overall dimensions. Still further, all kinds of different shapes and colors of mobile phone housings are being manufactured not only for aesthetic purposes, buy for uniqueness and novelty purposes as well.
With the wide variety of mobile phones of the character described above, problems are encountered when the connectors of the phones become damaged. For instance, if a user inadvertently damages a connector, such as breaking the terminals of the SIM connector or the terminals of the battery connector when inserting or removing a SIM card or replacing a battery, the mobile phone must be taken to a repair shop or sent back to the manufacturer for unsoldering and replacing elements as required. Consequently, the user cannot use the mobile phone during the entire repair down time. Aside from the various connectors, the printed circuit board, itself, may be damaged and have to be replaced.
The present invention is directed to solving these problems by providing a mobile phone with a connector module system wherein various connector modules can be replaced without having to repair the entire printed circuit board/connector assembly.
An object, therefore, of the invention is to provide a new and improved electrical connector system for mobile phones.
In the exemplary embodiment of the invention, a lower phone housing is disposed beneath a printed circuit board having a plurality of circuit traces on a bottom side thereof. The housing includes a plurality of module-receiving cavities in an upper side thereof opposite the bottom side of the printed circuit board. A plurality of connector modules are positionable in the cavities. Each connector module includes a frame having at least one connector thereon. The connector has at least one flexible contact for surface-engaging the respective circuit trace on the bottom side of the printed circuit board. Complementary interengaging mounting means are provided between the frames of the connector modules and the lower phone housing to releasably mount the modules in the cavities, whereby the modules easily can be selectively removed from the housing for repair or replacement purposes.
As disclosed herein, the module-receiving cavities are of different configurations for receiving differently configured connector modules. One connector module may include a SIM card connector and an associated I/O connector. The module also may include a battery connector and a microphone connector. Another connector module may include a loud speaker connector as well as a receptacle for receiving a loud speaker, as well as an earphone connector and/or a vibrator connector. A further connector module may include an antenna connector along with a receptacle for receiving an antenna.
The complementary interengaging mounting means may take various configurations, such as a flexible latch hook on the lower housing releasably engageable with the frame of at least one of the connector modules. The mounting means may comprise a plurality of engaging grooves in at least one of the module-receiving cavities for releasably receiving flange means on at least one of the connector modules. The mounting means may comprise a contoured frame in at least one of the module-receiving cavities for releasably receiving, in a press-fit arrangement, at least one of the connector modules.
Other objects, features and advantages of the invention will be apparent from the following detailed description taken in connection with the accompanying drawings.
The features of this invention which are believed to be novel are set forth with particularity in the appended claims. The invention, together with its objects and the advantages thereof, may be best understood by reference to the following description taken in conjunction with the accompanying drawings, in which like reference numerals identify like elements in the figures and in which:
FIG. 1 is an exploded perspective view of a mobile phone according to the prior art;
FIG. 2 is an exploded perspective view of the lower housing and connector modules of a mobile phone according to the invention;
FIG. 3 is a perspective view of the components of FIG. 2, in assembled condition; and
FIG. 4 is a fragmented vertical section taken generally along line 4—4 of FIG. 3.
Before proceeding with a detailed description of the invention, it should be understood that such terms as “top”, “bottom”, “upper”, “lower” and the like herein and in the claims hereof are not in any way intended to be limiting in nature. These terms are used in reference to the orientation of the mobile phone shown in the drawings in order to provide a clear and concise understanding of the disclosed and claimed invention herein. Obviously, mobile phones are omni-directional in use and function.
With that understanding, and referring first to FIGS. 2 and 3, the invention is embodied in a mobile phone, generally designated 12, which includes a lower phone housing 14 which, as described in relation to FIG. 1, mates with an upper phone housing (not shown in the drawings). The lower housing is disposed beneath a printed circuit board 16 (FIG. 4) having a plurality of circuit traces 18 on a bottom side 16 a of the printed circuit board. The circuit board is disposed between the upper and lower phone housings.
As best seen in FIG. 2, lower housing 14 includes a plurality of module-receiving cavities 21, 22 and 23 in an upper side 14 a of the housing opposite the bottom side 16 a of printed circuit board 16. Cavity 21 includes a plurality of engaging members 24 about the periphery thereof, the engaging members including upwardly directed engaging grooves 24 a. Cavity 22 includes a pair of flexible latch hooks 25 at opposite sides thereof. Cavity 23 includes a peripheral contoured frame 26. Lower housing 14, including module-receiving cavities 21, 22 and 23, along with engaging members 24, latch hooks 25 and contoured frame 26, may be fabricated as a one-piece structure, such as unitarily molding the structure of plastic material.
A plurality of connector modules, generally designated 28, 30 and 32 are positionable in module-receiving cavities 21, 22 and 23, respectively. Each connector module 28, 30 and 32 includes a frame 28 a, 30 a and 32 a, respectively.
Frame 28 a of connector module 28 mounts an antenna connector 34. Frame 30 a of connector module 30 mounts a loud speaker connector 36, a vibrator connector 38 and an earphone connector 40. Frame 32 a of connector module 32 mounts a SIM card connector 42, an I/O connector 44, a battery connector 46 and a microphone connector 48. All of the connectors, including antenna connector 34, loud speaker connector 36, vibrator connector 38, earphone connector 40, SIM card connector 42, I/O connector 44, battery connector 46 and microphone connector 48 include flexible contact arms 50 for surface-engaging respective ones of the circuit traces 18 on bottom side 16 a of printed circuit board 16. In addition, frame 28 a of connector module 28 includes a receptacle 28 b for receiving an antenna, and frame 30 a of connector module 30 includes a receptacle 30 b for receiving a loud speaker.
Generally, complementary interengaging mounting means are provided between the frames of connector modules 28, 30 and 32 and lower phone housing 14 to releasably mount the modules in cavities 21, 22 and 23. Thereby, the modules easily can be selectively removed from the lower housing for repair or replacement purposes.
More particularly, engaging grooves 24 a of engaging members 34 about cavity 21 receive peripheral flanges of frame 28 a of connector module 28. The flanges are press-fit into the grooves to securely hold the connector module in the cavity, but allow for removal of the connector module for repair or replacement purposes.
Flexible latch hooks 25 at opposite sides of cavity 22 snap into latching engagement above the top edges of frame 30 a of connector module 30. This can be seen in FIG. 3. When it is necessary or desirable to remove connector module 30, the flexible latch hooks can be pushed outwardly to allow easy removal of the module, but the latch hooks securely hold the module in the cavity. Such flexible latch hooks easily can be used for any of the other connector modules.
Contoured frame 26 about the periphery of cavity 23 is sized and configured to receive connector module 32 by a press-fit arrangement. The contoured frame may include a groove 26 a to further facilitate holding the module in the cavity. Regardless, the mounting means is effective to hold the connector module in the cavity, while allowing the module to be released and removed for repair or replacement purposes.
FIG. 3 shows all three connector modules 28, 30 and 32 mounted within their respective cavities in lower phone housing 14. If any of the connectors mounted on the connector modules are damaged for any reason, the complementary interengaging mounting means for that respective connector module is disengaged and the module simply is lifted out of the lower housing for repair or replacement purposes. The remainder of the connector modules are not affected at all.
In addition, FIG. 4 shows how printed circuit board 16 simply is lowered in the direction of arrow “A” onto the top of lower phone housing 14 until circuit traces 18 on bottom side 16 a of the circuit board engage flexible contact arms 50 of the various connector modules. There are no permanent solder connections as is prevalent with the prior art. If any of the connectors of any of the connector modules are damaged, printed circuit board 16 simply is lifted off of the lower connector housing to gain access to the connector modules which are releasably mounted in their respective cavities in the lower housing and easily can be removed.
It will be understood that the invention may be embodied in other specific forms without departing from the spirit or central characteristics thereof. The present examples and embodiments, therefore, are to be considered in all respects as illustrative and not restrictive, and the invention is not to be limited to the details given herein.
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|U.S. Classification||439/76.1, 439/500, 439/298, 439/660, 439/638|
|Cooperative Classification||H01R12/714, H04M1/0274, H04M1/0249|
|European Classification||H04M1/02A14M, H01R23/72B, H04M1/02A10|
|Jun 2, 2003||AS||Assignment|
Owner name: MOLEX INCORPORATED, ILLINOIS
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HUANG, SAN-SHAN;CHEN, CHIEN-FENG;REEL/FRAME:014117/0242
Effective date: 20030522
|Feb 19, 2008||FPAY||Fee payment|
Year of fee payment: 4
|Feb 25, 2008||REMI||Maintenance fee reminder mailed|
|Apr 2, 2012||REMI||Maintenance fee reminder mailed|
|Aug 17, 2012||LAPS||Lapse for failure to pay maintenance fees|
|Oct 9, 2012||FP||Expired due to failure to pay maintenance fee|
Effective date: 20120817